//
//  ObserverableData.h
//  V3d_Cocoa
//
//  Created by Y my on 11-3-14.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//


#import "Observer.h"


@interface ObserverableData : NSObject {
	NSMutableSet* observers;
}

- (void)registerObserver:(id <Observer>)observer;
- (void)unregisterObserver:(id <Observer>)observer;
- (void)notify;

@end
